Unit 7: The Oceans

The portion of the seafloor that lies between the continental margin and the oceanic ridge system.  It includes the abyssal plain, trenches, seamounts and guyots.

• Deep ocean basin

• Deep ocean trench

• Mid ocean ridge

• Active continental margin

• Passive continental margin

Answer explanation

Which of the following are the three (3) major divisions of the ocean:

• Deep ocean basin

• Continental margin

• Mid ocean ridge

• Deep ocean trench

• Seamounts

Answer explanation

The relatively level deep seafloor. It is a cold and dark place that lies between 3,000 and 6,000 meters below the sea surface.

• Deep ocean basin

• Abyssal plain

• Mid ocean ridge

• Active continental margin

• Passive continental margin

Answer explanation

Submarine volcanoes that rise at least 1000 meters above the ocean floor.  They are most commonly found in the Pacific ocean.

• Deep ocean basin

• Abyssal plain

• Mid ocean ridge

• Seamounts

• Passive continental margin

Answer explanation

Identify #1 and #11

• Continental shelf

• Continental slope

• Continental rise

• Seamount

• Rift Valley

Answer explanation

Identify #2 and #10

• Continental shelf

• Continental slope

• Continental rise

• Seamount

• Rift Valley

Answer explanation

Identify #3 and #9

• Continental shelf

• Continental slope

• Continental rise

• Seamount

• Rift Valley

Answer explanation

Identify #4 and #8

• Continental shelf

• Continental slope

• Continental rise

• Seamount

• Rift Valley

Answer explanation

Identify #6

• Continental shelf

• Continental slope

• Continental rise

• Seamount

• Rift Valley

Answer explanation

Identify #5 and #7

• Continental shelf

• Abyssal plain

• Continental rise

• Seamount

• Rift Valley

Answer explanation